Panasonic KX-TG2248S Service Manual ▷ View online
33 CIRCUIT BOARD (BASE UNIT)
33.1. Main
33.1.1. Component View
D150
C150
D105
D101
L202
C103
Q260
O
GND
VCC
UTX2
URX2
14
1
1
15
28
I
S
K
R236
R237
R238
R242
C304
C200
R241
C303
C302
R243
R240
C306
C225
R225
R225
R233
R234
C221
C305
C307
R211
R210
R204
C402
C401
C114
Q108
Q4
L2
L1
L150
L151
CHG
SP
D205
MIC
D2
D4
Q6
C453
C115
CN1
POS1
SA1
SA2
R15
C12
C13
C15
C16
C17
C8
C9
C1
R14
R28
R30
R31
R31
R26
R23
R24
R22
C14
R24
R22
C14
D3
C11
R1
R2
R2
R3
R11
R55
R57
C243
C231
C415
C230
C237
C234 C430
C213
C214
C219
C220
C220
C215
C216
C216
C246
C238
C238
R433
C239
C101
18
1
1
30
C100
D103
C242
C244
R223
R221
R222
C705
C58
R215
R220
R235
R213
C235
C723
R216
C60
C3
R9
R9
C450
C112
C113
C106
C107
C833
C823
Q150
PbF
L3
R152
IC801
IC100
X200
IC201
IC202
IC300
S501
RF
CN101
CN100
30
31
50
51
50
81
100
1
IC101
32
25
17
24
16
9
8
1
C416
L802
C815
C809
ANT2
ANTG2
R153
R157
R154
R155
R155
R156
LC-SHS_RF
D204
D802
C805
L808
D801
C824
C867
C867
C864
C835
C830
C831
L806
L801
L803
L805
C832 C801
C802
C861
C857
C869
C860
C856
R811
R812
R804
R808
C814
C813
R807
R806
C804
C803
C807
C811
C812
L804
L804
R805
C806
R813
C858
C859
C829
C405
C412
C420
C412
C420
C421
C300
R232
R231
R232
R231
R245
R230
R300
C301
C309
C404
C406
C409
C406
C409
C407
C408
C408
C411
C413
C410
R400
R207
R202
R205
R206
C207
R260
C260
C260
R262
R252
C251
C252
R209
C227
C228
C227
C228
R264
C261
C261
C263
R261
R261
R263
C262
C828
R802
R803
C827
C826
R801
C825
C863
C862
C862
C865
C866
C822
C820
C821
C816
C817
R810
C868
L807
C819
C818
C818
FL801
KX-TG2248S CIRCUIT BOARD (BASE UNIT) Main (Component View)
KX-
TG224
8
S
89
33.1.2. Flow Solder Side View
FLASH
TP_LCT
GND
R203
RA201
C201
R224
C245
R217
C499
R218
R201
R251
R105
R227
R212
C53
R51
R214
C249
RSTN1
IC332
L200
SPM2
SPP2
MICM
MICP
L204
L203
R151
D200
D201
R160
R161
R17
Q151
C151
R159
R150
D1
Q1
C5
C6
C4
R16
R13
Q3
Q2
1
1
RDN
IC331
TAM
CDL
D107
C110
R19
R12
R108
C20 DCM
D5
C217
C218
R114
R10
R8
R5
C7
R7
R25
C21
R29
R27
CHGM
CHGP
D152
D153
C19
C18
D109
D108
R21
R20
C10
R18
R113
R112
R110
R109
C111
R6
Q50
R70
C236
R219
C241
C233
C232
C56
C54
R52
C55
D102
D202
D203
D203
R101
C250
C51
C52
R200
VCC
UTX1
URX1
LED201
LED203
ANTG1
ANT1
KX-TG2248S CIRCUIT BOARD (BASE UNIT) Main (Flow Solder Side View)
KX-
TG224
8
S
90
33.2. Operation
33.2.1. Component View
PbF
MIC
KX-TG2248S CIRCUIT BOARD (BASE UNIT) Operation (Component View)
KX-
TG224
8
S
91
33.2.2. Flow Solder Side View
PbF
3
11
2
45
ANS
LED903
ANS
LED903
VM
LED900
INUSE
R905
C902
LED901
SP
R904
R900
C901
R902
R903
C900
R901
REP
LCD900
REC
CHK
MSG1
MSG2
ERS
MEMO
RDL
FLS
MUTE
SP
HLD
2
1
5
6
8
7
GND
29
VCC
18
15
16
17
21
23
26
25
28
30
27
19
20
22
24
4
0
13
0
11
8
ICOM
CN900
CN901
67
9
1
1
1
1
3
12
10
81
4
#
9
MIC
UP
DO
WN
MICP
MICM
3
SKIP
ST
OP
OP
LED904
CIQ
KX-TG2248S CIRCUIT BOARD (BASE UNIT) Operation (Flow Solder Side View)
KX-
TG224
8
S
92
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